Grade 11 and 12 Mathematics (Moderator: geoffrey)

What is the basis for understanding statistical inference? a.individuals b.processes c.the ...

Started by future617RT

The number of hours a child watches television per day is what type of variable? a.categorical ...

Started by RODY.ELKHALIL

For what part of the data do the 25th and 75th quartiles describe the spread? a.100 of the data ...

Started by schs14

Which of the following variables is qualitative? a.miles to work b.SAT score c.Phone number ...

Started by awywial

What is the value called that occupies the middle position when the data are ranked from lowest to ...

Started by drink

What is the interquartile range of the heights of seven kids sampled in a second grade class? The ...

Started by xroflmao

If the sample standard deviation for the weight of a sample of six newborn puppies is 2.4 pounds, ...

Started by anshika

If a sample has 40 observations and the researcher is interested in computing a 10 trimmed mean, ...

Started by piesebel

A process is said to be under statistical control when a.a cyclic pattern is present. ...

Started by shofmannx20

Suppose a plant that produces dye wants to test the process. Four samples are randomly selected ...

Started by tth

Which of the following represents a continuous random variable? a.the number of girls in a ...

Started by charchew

What is the table or rule that assigns probabilities to the possible values of the discrete random ...

Started by JGIBBSON

Suppose the number of hours of television watched in a household per day is given by the following ...

Started by amal

Which of the following will equal zero if two random variables, say X and Y, are independent? ...

Started by Mollykgkg

Which two measures do an analysis of linear dependency use? a.The mean and median b.The mean ...

Started by ENagel

Suppose a painter is deciding which color combination to use when painting a house. The main color ...

Started by rl

What is any unordered subset of size k from n distinct objects called? a.Mutually exclusive ...

Started by washai

What type of random variable has only two possible outcomes, success and failure? a.a Bernoulli ...

Started by mcmcdaniel

What is the mean value, E(x), for a Bernoulli random variable with a probability of X = 0 equal to ...

Started by frankwu

What is the area under the standard normal curve between z = 0 and z = 1.96? a.0.475 b.0.68 ...

Started by altibaby

All ________ distributions have the same general probability function and distribution. ...

Started by deesands

What is the definition of a sampling distribution? a.It is the distribution of the possible ...

Started by humphriesbr@me.com

The ________ change every time a new sample is taken. a.variables b.population parameters ...

Started by OSWALD

For a random sample of size n, the Central Limit Theorem states if n is sufficiently large then ...

Started by asd123

Which of the following statements defines an unbiased statistic? a.An unbiased statistic always ...

Started by Mr.Thesaxman